One other method of controlling how employees use wireless communications is to have them sign contracts, so that they understand they, too, are responsible for any lost data, Schadler said.

They're "basically requiring employees sign their life away and indemnify the company against damages, and that makes them think twice," he said.

Lucas Mearian covers storage, disaster recovery and business continuity, financial services infrastructure and health care IT for Computerworld. Follow Lucas on Twitter at or subscribe to . His e-mail address is .

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in Computerworld's Consumerization of IT Topic Center.